| .. | .. |
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| 52 | 52 | jr ra |
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| 53 | 53 | END(_restore_fp) |
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| 54 | 54 | |
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| 55 | | -/* |
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| 56 | | - * Load the FPU with signalling NANS. This bit pattern we're using has |
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| 57 | | - * the property that no matter whether considered as single or as double |
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| 58 | | - * precision represents signaling NANS. |
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| 59 | | - * |
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| 60 | | - * The value to initialize fcr31 to comes in $a0. |
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| 61 | | - */ |
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| 62 | | - |
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| 63 | | - .set push |
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| 64 | | - SET_HARDFLOAT |
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| 65 | | - |
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| 66 | | -LEAF(_init_fpu) |
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| 67 | | - mfc0 t0, CP0_STATUS |
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| 68 | | - li t1, ST0_CU1 |
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| 69 | | - or t0, t1 |
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| 70 | | - mtc0 t0, CP0_STATUS |
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| 71 | | - |
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| 72 | | - ctc1 a0, fcr31 |
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| 73 | | - |
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| 74 | | - li t0, -1 |
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| 75 | | - |
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| 76 | | - mtc1 t0, $f0 |
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| 77 | | - mtc1 t0, $f1 |
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| 78 | | - mtc1 t0, $f2 |
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| 79 | | - mtc1 t0, $f3 |
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| 80 | | - mtc1 t0, $f4 |
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| 81 | | - mtc1 t0, $f5 |
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| 82 | | - mtc1 t0, $f6 |
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| 83 | | - mtc1 t0, $f7 |
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| 84 | | - mtc1 t0, $f8 |
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| 85 | | - mtc1 t0, $f9 |
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| 86 | | - mtc1 t0, $f10 |
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| 87 | | - mtc1 t0, $f11 |
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| 88 | | - mtc1 t0, $f12 |
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| 89 | | - mtc1 t0, $f13 |
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| 90 | | - mtc1 t0, $f14 |
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| 91 | | - mtc1 t0, $f15 |
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| 92 | | - mtc1 t0, $f16 |
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| 93 | | - mtc1 t0, $f17 |
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| 94 | | - mtc1 t0, $f18 |
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| 95 | | - mtc1 t0, $f19 |
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| 96 | | - mtc1 t0, $f20 |
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| 97 | | - mtc1 t0, $f21 |
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| 98 | | - mtc1 t0, $f22 |
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| 99 | | - mtc1 t0, $f23 |
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| 100 | | - mtc1 t0, $f24 |
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| 101 | | - mtc1 t0, $f25 |
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| 102 | | - mtc1 t0, $f26 |
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| 103 | | - mtc1 t0, $f27 |
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| 104 | | - mtc1 t0, $f28 |
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| 105 | | - mtc1 t0, $f29 |
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| 106 | | - mtc1 t0, $f30 |
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| 107 | | - mtc1 t0, $f31 |
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| 108 | | - jr ra |
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| 109 | | - END(_init_fpu) |
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| 110 | | - |
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| 111 | | - .set pop |
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| 112 | | - |
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| 113 | 55 | .set noreorder |
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| 114 | 56 | |
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| 115 | 57 | /** |
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